Features:
Greatly enhance the mobile broadband network coverage and Wi-Fi receiving capabilities of your 4G/3G mobile router, if you are in a weak signal area.
It is the highest gain 28dbi 3G/4G LTE antenna.
Comes with two TS9//SMA/CRC9 connectors, the cable length is 3 meters.
This antenna will work with mobile broadband devices that have TS9//SMA/CRC9 external antenna port. 
Frequency range: 700/800/900MHz, 1710-1920MHz, 2010-2100MHz, 2300-2400MHz, 2500-2690MHz.
Note: The item just can increase signal strength in a certain direction, cannot increase the network transmission speed.

Specifications:
Frequency: 700/800/900MHz, 1710-1920MHz, 2010-2100MHz, 2300-2400MHz, 2500-2690MHz
VSWR: <=2.0
Gain: 28dBi
Polarization: vertical
Max input power: 10W
Input Impedance: 50 Ohms
Extension cable: 3m
Connector: TS9/CRC9
Dimensions: 75 x 52 x 8mm/3.0" x 2.0" x 0.3"
Fit for Mobile Signal Routers: most HUAWEI and ZTE routers with TS9/CRC9 external antenna interface.

Package includes:
1 x 4G LTE antenna signal booster panel